Categories	Crystals, Oscillators, Resonators / Crystals
Datasheet	HC-49UX Series
Standard Package	100
Manufacturer	ECS Inc.
Series	HC-49UX
Part Status	Active
Type	MHz Crystal
Frequency	12MHz
Frequency Stability	±50ppm
Frequency Tolerance	±30ppm
Load Capacitance	20pF
ESR (Equivalent Series Resistance)	30 Ohms
Operating Mode	Fundamental
Operating Temperature	-20°C ~ 70°C
Ratings	-
Mounting Type	Through Hole
Package / Case	HC-49/U
Size / Dimension	0.447" L x 0.183" W (11.35mm x 4.65mm)
Height - Seated (Max)	0.530" (13.46mm)

ECS-184-18-1X	ECS Inc., 18.432MHz ±30ppm Crystal 18pF 20 Ohms HC-49/U, HC-49UX	View
ECS-98.3-20-1X	ECS Inc., 9.8304MHz ±30ppm Crystal 20pF 35 Ohms HC-49/U, HC-49UX	View
ECS-200-20-1X	ECS Inc., 20MHz ±30ppm Crystal 20pF 20 Ohms HC-49/U, HC-49UX	View
ECS-35-S-1X	ECS Inc., 3.579545MHz ±30ppm Crystal Series 120 Ohms HC-49/U, HC-49UX	View
ECS-147.4-S-1X	ECS Inc., 14.7456MHz ±30ppm Crystal Series 25 Ohms HC-49/U, HC-49UX	View
ECS-196.6-20-1X	ECS Inc., 19.6608MHz ±30ppm Crystal 20pF 20 Ohms HC-49/U, HC-49UX	View
ECS-180-20-1X	ECS Inc., 18MHz ±30ppm Crystal 20pF 20 Ohms HC-49/U, HC-49UX	View
ECS-100-S-1X	ECS Inc., 10MHz ±30ppm Crystal Series 30 Ohms HC-49/U, HC-49UX	View
ECS-36-18-1X	ECS Inc., 3.6864MHz ±30ppm Crystal 18pF 120 Ohms HC-49/U, HC-49UX	View
ECS-73-S-1X	ECS Inc., 7.3728MHz ±30ppm Crystal Series 40 Ohms HC-49/U, HC-49UX	View
ECS-80-S-1X	ECS Inc., 8MHz ±30ppm Crystal Series 35 Ohms HC-49/U, HC-49UX	View
ECS-35-17-1X	ECS Inc., 3.579545MHz ±30ppm Crystal 17pF 120 Ohms HC-49/U, HC-49UX	View

ECS-120-20-1X-EM

Part NumberECS-120-20-1X-EM